Bass – Paul BushnellCo-producer – Luis F. Ochoa*Drums, Percussion – Victor IndrizzoEngineer [Recording Engineer] – Kevin KillenGuitar, Keyboards – Luis F. Ochoa*Keyboards, Programmed By – Pete DavisLyrics By – ShakiraMixed By – Rob JacobsMusic By – Luis F. Ochoa*, ShakiraProgrammed By – Felipe Alvarez

Bass – Paul BushnellCo-producer – Lester MendezDrums – Shawn PeltonEngineer [Recording Engineer] – Kevin KillenGuitar – Lyle WorkmanKeyboards – Lester MendezLyrics By – ShakiraMixed By – Rob JacobsMusic By – Lester Mendez, ShakiraProgrammed By – Lester Mendez, Pete Davis

Accordion – Frank Morrocco*, Umberto JudexAcoustic Guitar – Rene ToledoBass – Paul BushnellCo-producer – Lester MendezEngineer [Recording Engineer] – Kevin KillenFeaturing – Alejandro SanzGuitar – Luis F. Ochoa*, Lyle WorkmanKeyboards – Lester MendezLyrics By – Alejandro Sanz, ShakiraMixed By – Gustavo CelisMusic By – Luis F. Ochoa*, ShakiraPercussion – Archie Pena*Producer [Additional] – Jose "Gocho" TorresProgrammed By – Gian Arias, Jose "Gocho" Torres, Juan Santana, Pete DavisTres [Tres Cubano] – Alejandro Sanz

Arranged By [Rhythm] – Lester Mendez, ShakiraArranged By [Rhythm], Arranged By [Strings], Orchestrated By – Jorge CalandrelliBass – Dave Carpenter*Co-producer – Lester MendezConcertmaster – Bruce DukovEngineer [Recording Engineer], Mixed By – Mauricio GuerreroFlugelhorn – Warren LueningFlute – David Shostac, Gary Foster , Steve KajulaGuitar – Ramon StagnaroKeyboards – Lester MendezLyrics By – ShakiraMusic By – Lester Mendez, ShakiraPercussion – Luis ConteProgrammed By – Lester MendezStrings – Cuerdas de Los Angeles*Trombone – Bob McChensay*, Charley Loper*

Arranged By [Vocals], Co-producer – Gustavo CeratiBass – Paul BushnellDrums – Shawn PeltonEngineer [Recording Engineer] – Kevin KillenFeaturing – Gustavo CeratiGuitar – Gustavo Cerati, Lyle WorkmanKeyboards – Gustavo CeratiLyrics By – Gustavo CeratiMixed By – Rob JacobsMusic By – Gustavo Cerati, Luis F. Ochoa*, ShakiraProgrammed By – Gustavo Cerati

Bass – Paul BushnellCo-producer – Lester MendezDrums – Shawn PeltonGuitar – Lyle Workman, Tony ReyesKeyboards – Lester Mendez, Tony ReyesLyrics By, Music By – ShakiraMixed By – Dave Way

Acoustic Guitar – Rene ToledoArranged By [Vocals], Co-producer – Gustavo CeratiBass – Chris ChaneyCo-producer – Lester MendezDrums – Jonathan MoverEngineer [Recording Engineer] – Kevin KillenFeaturing – Gustavo CeratiGuitar – Gustavo Cerati, Tony ReyesKeyboards – Gustavo Cerati, Lester MendezLyrics By – ShakiraMixed By – Rob JacobsMusic By – Lester Mendez, ShakiraProgrammed By – Gustavo Cerati, Lester Mendez, Pete Davis

Bass – Paul BushnellCo-producer – Lester Mendez, Luis F. Ochoa*Engineer [Recording Engineer] – Kevin KillenGuitar – Luis F. Ochoa*, Lyle WorkmanKeyboards – Lester Mendez, Luis F. Ochoa*Lyrics By – ShakiraMusic By – Luis F. Ochoa*, ShakiraProgrammed By – Felipe Alvarez, Lester Mendez, Pete DavisTrumpet [French Trumpet] – Pete Davis

Bandoneon – David AlsinaBass – Paul BushnellCo-producer – Lester MendezDrums – Shawn PeltonGuitar – Lyle WorkmanKeyboards – Lester MendezLyrics By, Music By – ShakiraMixed By – Rob JacobsPercussion – Shawn PeltonTrumpet – Teddy Mulet

Bass – Paul BushnellCo-producer – Lester MendezDrums – Shawn PeltonEngineer [Recording Engineer] – Kevin KillenGuitar – Lyle WorkmanKeyboards – Lester MendezLyrics By – ShakiraMixed By – Serban GheneaMusic By – Lester Mendez, ShakiraProgrammed By – Lester Mendez, Pete Davis

Co-producer – Lester MendezEngineer [Recording Engineer] – Kevin KillenKeyboards – Lester MendezLyrics By – ShakiraMixed By – Rob JacobsMusic By – Lester Mendez, Shakira

Featuring – Alejandro SanzLyrics By – Alejandro Sanz, ShakiraMixed By – Gustavo CelisMusic By – Luis F. Ochoa*, ShakiraProgrammed By – Gian Arias, Jose "Gocho" Torres, Juan SantanaRemix – Jose "Gocho" Torres, Shakira